'''
# 作者    ： 张莹潇
# 创建时间 ： 20/12/7 17:58
'''
# import requests, json
# r = requests.get("http://www.weather.com.cn/data/sk/101010100.html")
# print(r.json())
# print(r.json()['weatherinfo']['city'])
# a = [1,2,3,4]
# a[0] = a[2]
# print(a)
def sq(x):

    for i in range(1,x):
        if(i*i == x):
            return i
    else:
        return False
print(sq(9))